Patent US4022292A successfully refreshed from Google Patents.
US4022292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable tree stand or crows nest
Assignee: Individual
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Filing: 1976-08-12
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Granted: 1977-05-10
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Expires: 1996-08-12
Abstract
Abstract A portable tree stand which can be used for hunting or other purposes and which can be pushed to any desired height with the use of a pole which fits into a receptacle and includes a pair of rollers mounted at an angle on one side of the tree and a roller locking claw on the other side of the tree which locks the stand at the desired height. A ladder extends downwardly from the stand and allows the hunter to climb up to the stand after which the ladder can be pulled upwardly to the stand to make into a chair. Heating means as well as gun and bow and arrow holding means are provided on the stand. Also, the stand can be used as a back pack, as a chair, a cot, a table or a litter for carrying injured persons, or when desired, for toting heavy loads.
Inventors
- 👤 James J. Van Gompel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:42
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/34; E06C1/36; A; A01; A01M; A01M31/00; A01M31/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
117 words
A portable tree stand comprising a frame with a platform on one end thereof, a pair of rollers mounted on axes which make an obtuse angle with each other at the other end of said frame member, an opening formed in said frame member between said platform and said other end, a foldable ladder sections attached to said frame member such that in a first position said ladder can be climbed, said foldable ladder moveable to a second position such that the foldable sections thereof can be formed into a chair, and attaching means attached to said frame member for detachably extending around a tree or other vertical support to lock said frame member to said tree.
Claim 2
Dependent Claim
117 words
A portable tree stand comprising a frame with a platform on one end thereof, a pair of rollers mounted on axes which make an obtuse angle with each other at the other end of said frame member, an opening formed in said frame member between said platform and said other end, a foldable ladder sections attached to said frame member such that in a first position said ladder can be climbed, said foldable ladder moveable to a second position such that the foldable sections thereof can be formed into a chair, and attaching means attached to said frame member for detachably extending around a tree or other vertical support to lock said frame member to said tree.
Claim 3
Dependent Claim
52 words
A portable tree stand according to claim 1 wherein said attached means comprises a U-shaped member attached to said frame member, a pivoted joint between one side of said frame member and said U-shaped member and a locking disconnect joint between the other side of said frame member and said U-shaped member.
Claim 4
Dependent Claim
34 words
A portable tree stand according to claim 2 including a pair of telescoping joints mounted in each leg of said U-shaped member so as to allow the length of said legs to be adjusted.
Claim 5
Dependent Claim
27 words
A portable tree stand according to claim 3 including a pair of pivoted brace members extending between each leg of said U-shaped member and said frame member.
Claim 6
Dependent Claim
23 words
A portable tree stand according to claim 4 including a second pair of telescoping joints mounted in said pair of pivoted brace members.
Claim 7
Dependent Claim
40 words
A portable tree stand according to claim 2 including a locking claw attached to the middle of said U-shaped member and said claws engageable with the surface of a tree to lock said tree stand at a desired vertical height.
Claim 8
Dependent Claim
33 words
A portable tree stand according to claim 6 including an opening formed in said locking claw, and a lifting and lowering pole receivable into said opening to lift and lower said tree stand.
Claim 9
Dependent Claim
29 words
A portable tree stand according to claim 7 wherein said locking claw is pivotally attached to said U-shaped member and a transverse roller rotatably attached to said locking claw.
Claim 10
Dependent Claim
18 words
A portable tree stand according to claim 1 wherein said tree stand can be formed into a cot.
Claim 11
Dependent Claim
18 words
A portable tree stand according to claim 1 wherein said tree stand can be formed into a chair.
Claim 12
Dependent Claim
35 words
A tree stand according to claim 1 wherein said ladder is formed of a plurality of pivotally connected sections such that when the ladder is extended each section is narrower than its next higher section.
Claim 13
Dependent Claim
37 words
A portable tree stand according to claim 1 wherein said foldable ladder comprised of a plurality of U-shaped portions with the side arms of the U-shaped portions non-parallel so as to prevent side sway of the ladder.
Claim 14
Dependent Claim
19 words
A portable tree stand according to claim 1 including a heater and a weapon holder attachable to said platform.
Claim 15
Dependent Claim
42 words
A portable tree stand according to claim 6 which includes a detachable rubber adapter pad attached to said locking claw and said pad engageable with the surface of a pole having a smooth, hard surface whereupon steel claws would be rendered useless.
Claim 16
Dependent Claim
32 words
A portable tree stand according to claim 7 wherein said pole is comprised of one or more sections, and said sections being telescopically storable in the second ends of said frame members.
Claim 17
Dependent Claim
22 words
A portable tree stand according to claim 1 wherein said tree stand can be formed into a back pack for packing goods.
Claim 18
Dependent Claim
28 words
A portable tree stand according to claim 1 wherein said tree stand can be formed into a litter as for an injured person or for toting heavy loads.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |